turkish media reports two suspects have been detained in connection with the killing of ambassador stevens. nbc news has not independently confirmed that reporting. >>> from "usa today," some of the country's biggest brands from subway to blue cross/blue shield are putting obesity in the spotlight. companies are increasingly using obese people in their ads to help change eating or exercise behavior like this nike spot released over the summer featuring a jogging 12-year-old boy from ohio. as part of the company's find your greatness campaign. >> best commercial of the year. >> is it really? >> really a great one. brilliant, brilliant. >> now from our parade of papers, "the dallas morning news," american airlines is canceling dozens of flights to repair faulty mountings that have caused several rows of seats to come loose while in midair. 48 boeing -- is that bad? >> that's not good. >> is that bad? 48 boeing 757ss have been grounded. to go to mechanics who actually screw in the bulbs. come on, guys. it's not ha hathat hard. >> this weekend's "parade" goes inside the vaccine movement. it's